<html>
   <head>
      <meta charset="UTF-8">
      <title> </title>
      <style>
		div{
			width: 100px;
			height: 100px;
			/* border: 1px
			 
			 solid #000000; */
			margin-bottom: 1px;
			background-color: #0000FF;
		}
		.div{
			background-color: #008000;
			
		}
      </style>
   </head>
   <body>
      <div style="color: red;"></div>
	  <div class="div"></div>
	  <div></div>
   </body>

</html>